# Zoo Mania - Prison Defense

> Prison alert! Deploy, build, outsmart. Wildly addictive animal defense!

Canonical page: [https://chrome-stats.com/d/com.zooprison.freetd.underdark](https://chrome-stats.com/d/com.zooprison.freetd.underdark)

## Overview

- **ID:** `com.zooprison.freetd.underdark`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** UT Game
- **Category:** GAME\_ROLE\_PLAYING
- **Downloads:** 11,554
- **Last updated:** 2026-02-01
- **First published:** 2026-02-01
- **Publisher country:** CN
- **Data as of:** 2026-09-14
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.zooprison.freetd.underdark)
- **Website:** [http://hrm-web.ding-le.com/](http://hrm-web.ding-le.com/)
- **Privacy policy:** [https://marketing-overseas.topjoy.com/marketing/ct-tw/private-zh\_TW.html](https://marketing-overseas.topjoy.com/marketing/ct-tw/private-zh_TW.html)

## Description

&quot;Maximum security is broken! As a rookie guard, you must crush the animal riot, lock down the gates, and stop the prison break to protect the city.<br><br><br>Prison Guard TD is a path-planning tower defense game that’s easy to learn yet deep to master. Whether you’re playing on the go or diving into strategy, experience the thrill of keeping the zoo behind bars.<br><br><br>Build Your Defense in 3 Steps<br><br>– LURE: Guide rioters into kill zones with smart path planning.<br><br>– TRAP: Deploy unique towers like the Octo-Cannon and Frog Spiker to create deadly firing lines.<br><br>– ELIMINATE: Adapt your build against cunning escapees and reinforce weak points in real-time.<br><br><br>Face ever-smarter prisoners with new escape tricks. Watch, adapt, and fortify your prison to become unbreakable—guard the city with wit and skill.<br><br><br>Whether you’re new to tower defense or a seasoned strategist, jump in now and build the ultimate zoo lockdown system!&quot;

## Rankings

- #534,359 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.zooprison.freetd.underdark)